*{
    margin: 0;
    padding: 0;
    color: #111;
}
a{
    text-decoration: none;  
}

body{
    background-image: url(../image/bg1.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
}
#header{
    height: 50px;
    width: 100%;
    box-shadow: 0 1px 6px rgba(0, 0, 0, .3);
}
#footer{
    box-shadow: 0 -1px 6px rgba(0, 0, 0, .3);
    min-height: 50px;
}
#footer>div{
    margin: 0 3%;
    text-align: center;
}
.contact{
    padding-bottom: 20px;
}
#main{
    margin-top: 50px;
    margin-left: 3%;
    margin-right: 3%;
    margin-bottom: 50px;
    display: flex;
    justify-content : space-between;
}
.headBox{
    width: 90%;
    margin: 0 auto;
}

.navItem{
    display: inline-table;
    padding: 13px 30px;
}
.aside{
    width: 300px;
}
.aside>div{
    background: rgba(255, 255, 255, 0.8);
    margin-bottom: 20px;
    padding: 30px;
}
.author{
    height: 280px;
}
.author_info{
    text-align: center;
}
.avatar{
    width: 80px;
    height: 80px;
}
.author_name{
    padding-top: 10px;
    padding-bottom: 10px;
}
.author_slogan{
    text-align: left;
}
.icon{
    margin-top: 80px;
    text-align: center;
    letter-spacing: 5px;
}
.icon_mail{
    display: inline-block;
    width: 25px;
    height: 25px;
    background-image: url(../image/icons/mail.png);
    background-size: cover;
}
.icon_wechat{
    display: inline-block;
    width: 25px;
    height: 25px;
    background-image: url(../image/icons/wechat.png);
    background-size: cover;
}
.icon_gitee{
    display: inline-block;
    width: 25px;
    height: 25px;
    background-image: url(../image/icons/gitee.png);
    background-size: cover;
}
.icon_github{
    display: inline-block;
    width: 25px;
    height: 25px;
    background-image: url(../image/icons/GitHub.png);
    background-size: cover;
}
.category_box>h4{
    margin-bottom: 10px;
    color: #be7e4a;
    font-size: 16px;
}
#category{
    padding: 10px;
}
#category>a{
    display: block;
    margin-bottom: 10px;
}
.display{
    margin-left: 25px;
    width: 80%;
}
#article_box{
    width: 100%;
    min-height: 700px;
}
.article{   
    padding: 20px;
    margin-bottom: 50px;
    background: rgba(255, 255, 255, 0.8);
}
.article div{
    padding: 20px 0;
}
#list_box{
    background: rgba(255, 255, 255, 0.8);
    min-height: 700px;
    padding: 40px 30px;
}
#list_box>div{
    padding: 25px 20px;
}